Empezaron Los Cuarenta

Voice: Rocío Márquez - Mix Engineer: Eduardo Ruiz Joya - Recording Arranger: Agustin Diaz - Recording Arranger: Rocío Márquez - Mastering Engineer: Eduardo Ruiz Joya - Producer: Rocío Márquez - Producer: Juan Antonio Suárez - Percussion: Agustín Diassera - Guitar: Canito - Recording Engineer: Estudio Bola - Remixer: BRONQUIO